One "Monitor" section, one "Device" section and one "Screen" section should be enough, so maybe you could try to keep only the first "Monitor", "Device" and "Screen" sections, and remove the others, and see...
And also remove the Screen 1,2 & 3 in the "ServerLayout" section.

And it doesn't work, replace the "intel" driver with the "vesa" driver in your "Device" section, and see...

No screens usually can be rectified with an xorg.conf or xorg.conf.d entry.

Were you trying for a dual monitor setup? It looks like the 2nd dmesg on current does not detect the NVidia card - was it removed?

NVidia is only supported by xf86-video-nv in OpenBSD and that driver does not support 3D. NVidia gets along better with FreeBSD. In OpenBSD you will actually get 3D from an on-board intel card. If you have not already done it, I would remove the nvidia card and go with the onboard intel card.

As mentioned X -configure is broken so you will either have to pull an an OpenBSD xorg.conf off the internet or cobble one together. There is an example screen entry in the OpenBSD FAQ. The FAQ entry is for standard monitors - not wide screen.

Last edited by shep; 18th June 2013 at 12:29 AM.
Reason: added caution on the monitor svga vs wsvga